// PC_serial.h

#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stdlib.h>

#define PINB_MASK ((1<<PINB4) | (1<<PINB6) | (1<<PINB7))
#define PINE_MASK ((1<<PINE2) | (1<<PINE3))

void USARTinit(void);
void sendChar(char ) ;
void sendString(char *);
char USART_Receive( void );
void USARTdisable(void); 
